Which are the roots of the quadratic function f(b) = b? - 75? check all that apply. b=53 b= -5/ b=3/5 b = -35 b = 2575 ob=-253

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

The measure of angle 0 is 600 degrees

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?